Adafruit Ds3231 Precision Rtc Featherwing - Rtc Add-On For Feather Boards

Part number: 3028
Description
For precision time-keeping, add the FeatherWing Precision Clock (RTC) Board. The extremely accurate I2C-integrated Real Time Clock (RTC) works with any Feather main board. It includes a Temperature Compensated Crystal Oscillator (TCXO) that adjusts in response to temperature changes for accurate time-keeping. Simply fit it directly on top of your Feather using stacking header pins.